private static bool ShouldExpand(EnvDTE.UIHierarchyItem item, CollapseOptions options)
{
var solution = item.Object as EnvDTE.Solution;
if (solution != null)
{
// Solution
return false;
}
var project = item.Object as EnvDTE.Project;
if (project != null)
{
if (((EnvDTE.Project)item.Object).Kind != EnvDTE80.ProjectKinds.vsProjectKindSolutionFolder)
{
// Project
return (options & CollapseOptions.IncludeProjects) == CollapseOptions.IncludeProjects;
}
else
{
// Solution Folder
return (options & CollapseOptions.IncludeSolutionFolders) == CollapseOptions.IncludeSolutionFolders;
}
}
//var projectItem = item.Object as EnvDTE.ProjectItem;
//if ((((projectItem != null) && (((EnvDTE.ProjectItem)item.Object).Object is EnvDTE.Project))
// && (((EnvDTE.Project)((EnvDTE.ProjectItem)item.Object).Object).Kind != EnvDTE80.ProjectKinds.vsProjectKindSolutionFolder)))
//{
// // Project item
// return true;
//}
// Project folders or items
return true;
}
public static void Collapse(this EnvDTE.UIHierarchyItem item, CollapseOptions options = CollapseOptions.All)
{
Guard.NotNull(() => item, item);
// Collapse all descendant items first
item.UIHierarchyItems.Cast<EnvDTE.UIHierarchyItem>()
.ForEach(child =>
{
child.Collapse(options);
});
// Collapse this item
if (ShouldExpand(item, options))
{
if (item.UIHierarchyItems.Expanded)
{
item.UIHierarchyItems.Expanded = false;
//HACK: Known bug in Visual Studio 2005
//http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=114597
if (item.UIHierarchyItems.Expanded)
{
item.Select(EnvDTE.vsUISelectionType.vsUISelectionTypeSelect);
item.DTE.GetHierarchy().DoDefaultAction();
}
}
}
}
public static void Collapse(this EnvDTE.UIHierarchyItem item, CollapseOptions options = CollapseOptions.All)
{
Guard.NotNull(() => item, item);
// Collapse all descendant items first
item.UIHierarchyItems.Cast <EnvDTE.UIHierarchyItem>()
.ForEach(child =>
{
child.Collapse(options);
});
// Collapse this item
if (ShouldExpand(item, options))
{
if (item.UIHierarchyItems.Expanded)
{
item.UIHierarchyItems.Expanded = false;
//HACK: Known bug in Visual Studio 2005
//http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=114597
if (item.UIHierarchyItems.Expanded)
{
item.Select(EnvDTE.vsUISelectionType.vsUISelectionTypeSelect);
item.DTE.GetHierarchy().DoDefaultAction();
}
}
}
}
private static bool ShouldExpand(EnvDTE.UIHierarchyItem item, CollapseOptions options)
{
var solution = item.Object as EnvDTE.Solution;
if (solution != null)
{
// Solution
return(false);
}
var project = item.Object as EnvDTE.Project;
if (project != null)
{
if (((EnvDTE.Project)item.Object).Kind != EnvDTE80.ProjectKinds.vsProjectKindSolutionFolder)
{
// Project
return((options & CollapseOptions.IncludeProjects) == CollapseOptions.IncludeProjects);
}
else
{
// Solution Folder
return((options & CollapseOptions.IncludeSolutionFolders) == CollapseOptions.IncludeSolutionFolders);
}
}
//var projectItem = item.Object as EnvDTE.ProjectItem;
//if ((((projectItem != null) && (((EnvDTE.ProjectItem)item.Object).Object is EnvDTE.Project))
// && (((EnvDTE.Project)((EnvDTE.ProjectItem)item.Object).Object).Kind != EnvDTE80.ProjectKinds.vsProjectKindSolutionFolder)))
//{
// // Project item
// return true;
//}
// Project folders or items
return(true);
}
public static void CollapseAll(this ISolution solution, CollapseOptions options = CollapseOptions.All)
{
Guard.NotNull(() => solution, solution);
EnvDTE.DTE dte = solution.As <EnvDTE.Solution>().DTE;
dte.SuppressUI = true;
try
{
var hier = dte.GetHierarchy();
hier.UIHierarchyItems.Cast <EnvDTE.UIHierarchyItem>()
.ForEach(item =>
{
item.Collapse(options);
});
}
catch (COMException)
{
// Ignore exception
}
finally
{
dte.SuppressUI = false;
}
}